Flora of North America species comparison

erect or ascending, (0–)1–12+ cm underground, villous.

erect or decumbent to ascending, (0–)1–5 cm underground, sparsely strigulose.

(2–)3–12 cm;

stipules distinct, subterranean ones often fully amplexicaul but distinct, 7–15 mm, foliose at distal nodes;

leaflets (5–)7–13(–15), blades elliptic, oblong or lanceolate-elliptic, 10–30(–35) mm, pinnately veined, apex obtuse to rounded, surfaces sparsely villosulous or villous abaxially, glabrous adaxially.

(3.5–)5–10 cm;

stipules 2.5–7 mm, scarious at proximal nodes, herbaceous at distal nodes;

leaflets 3–7(or 9), blades linear, 10–50 mm, apex acute or subacute, surfaces sparsely strigulose abaxially, silvery-canescent adaxially;

terminal leaflet decurrent distally, not jointed to rachis.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

5–15-flowered, flowers ascending becoming horizontal;

axis (1–)2–8 cm in fruit;

bracts 1–5 mm;

bracteoles 0–2.

erect, 3–9.8 cm, usually longer than subtending leaf.

ascending, (4–)5–11(–15) cm.

1.5–5 mm.

1.2–2.8 mm.

13–19 mm;

calyx campanulate to subcylindric, 7.5–8.8 mm, villosulous, tube 6.3–8 mm, lobes broadly triangular, 0.6–0.8 mm;

corolla yellowish with whitish margins, banner sometimes purple bordered white, keel 13.2–16 mm.

16.3–19 mm;

calyx pallid, cylindric, 9–12 mm, pilosulous, tube 7–8.5 mm, lobes subulate, 2–4 mm;

corolla purple or whitish with purple tips;

keel 12.8–15.5 mm.

green becoming brown, ± straight, ovoid, inflated, 15–21 × 5.5–8 mm, papery-membranous, black-pilose, hairs to 0.5 mm;

stipe 5–7 mm, pubescent.

pendulous, very pale green becoming stramineous, ± straight or obscurely sigmoid-arcuate, ellipsoid or broadly oblong-oblanceoloid, strongly obcompressed, (25–)30–45 × (11–)13–17(–23) mm, fleshy becoming leathery, translucent, lustrous, smooth, transversely rugulose-reticulate, glabrous.

6–10.

42–60.

= 16.